AC Fundamentals, Circuit and Circuit Theory In AC. circuits, laminated iron is invariably used in order to Reduce circuit permeability Increase heat radiation Make assembly cheap and easier Reduce eddy current loss Reduce circuit permeability Increase heat radiation Make assembly cheap and easier Reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Act like a resistor of low value Have current in each section equal to the line current Have a high impedance Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have current in each section equal to the line current Have a high impedance Have a high voltage developed across each inductive and capacitive section ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The whole cycle The half cycle The quarter cycle Unsymmetrical part of the wave form The whole cycle The half cycle The quarter cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC2 R2C R/C RC RC2 R2C R/C RC ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
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